Genetically Transformed Maize Plants from Protoplasts

American Association for the Advancement of Science (AAAS) - Tập 240 Số 4849 - Trang 204-207 - 1988
Carol A. Rhodes1, Dorothy A. Pierce1, Irvin J. Mettler1, Desmond Mascarenhas1, Jill Detmer1
1Sandoz Crop Protection Corporation, Palo Alto, CA 94304-1104.

Tóm tắt

Genetically transformed maize plants were obtained from protoplasts treated with recombinant DNA. Protoplasts that were digested from embryogenic cell suspension cultures of maize inbred A188 were combined with plasmid DNA containing a gene coding for neomycin phosphotransferase (NPT II) next to the 35 S promoter region of cauliflower mosaic virus. A high voltage electrical pulse was applied to the protoplasts, which were then grown on filters placed over feeder layers of maize suspension cells (Black Mexican Sweet) and selected for growth in the presence of kanamycin. Selected cell lines showed NPT II activity. Plants were regenerated from transformed cell lines and grown to maturity. Southern analysis of DNA extracted from callus and plants indicated the presence of the NPT II gene.

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Tài liệu tham khảo

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American Association for the Advancement of Science (AAAS)

Tập 240 Số 4849

204-207

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